coire: spissari: (The words are found in this connection and order.) spissari et in densitatem coire: congelari: se congelare: coagulari (PROP., to curdle by means of rennet; of milk, etc.; then, also, to curdle in general, of any liquid mass): to cause to curdle, congelare (by cooling); coagulare (by rennet, etc.): Milk that has curdled, lac gelatum, concretum. [Vid: COAGLATE.] Milk curdles, lac coit; lac coagulatur (if by rennet); lac serescit; lac spissatur (grows thick or thickens).